Year: 2025
Type: article
Abstract: A hybrid optomechanical system incorporating a two-level atom is utilized to realize phonon blockade, with the large-detuned optical mode decoupled from the system via adiabatic approximation. This process establishes an exchange interaction between the two-level atom and the mechanical mode. The findings indicate that both conventional and unconventional phonon blockade mechanisms coexist within the system. By tuning the driving frequency of the two-level atom, the system can be dynamically switched between these two mechanisms. The phonon blockade effect exhibits remarkable robustness against optical dissipation due to the adiabatic elimination of the cavity mode, enabling its realization even in low-Q cavities. In this study, the two-level atom serves not only as a critical component for achieving phonon blockade but also as an additional tool for manipulating the blockade mechanism. Our results provide a promising framework for hybrid optomechanical systems aiming to achieve switchable and robust single-phonon sources.
Source: EPJ Quantum Technology
Authors: Jian-Jun Han, Shi-Yan Li, Nan Wang, Ai-Dong Zhu, Lin Yu
Institution: Yanbian University
Language: English
Subfield: Atomic and Molecular Physics, and Optics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $2,190
Awards: G1897522463, G8165191951
OpenAlex ID: W4415917548